TROUBLESHOOTING GUIDE
CAPSTAN DD MOTOR NOT
ROTATING
Yes
No
In playback, is the
voltage at pin 5 of
CP1004 DC12V ?
Check POWER circuit.
Check POWER circuit.
No
Yes
Is the voltage at pin 8
of CP1004 DC5V ?
Replace IC1001.
Yes
No
No
Yes
In playback, is the
voltage at pin 4 of
CP1004 DC2.5V ?
Replace IC1001 and DD MOTOR.
Check pins 65, 76 and 77 of IC1001
and POWER circuit.
In playback, is the voltage at
pin 3 of CP1004 or at pin 12
of IC1001 DC2.2V ?
E-14